About this role
Cybersecurity Lead Investigator
United States, Multiple Locations, Multiple Locations
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Job description
Company and benefits
Job number
200055776
Date posted
Oct 16, 2026
Work site
0 days / week in-office – remote
Travel
50-75%
Profession Security Engineering
Discipline Security Research
Role type Individual Contributor
Employment type Full-Time
Overview
With more than 45,000 employees and partners worldwide, the Customer Experience and Success (CE&S) organization is on a mission to empower customers to accelerate business value through differentiated customer experiences that leverage Microsoft's products and services, ignited by our people and culture. We drive cross-company alignment and execution, ensuring that we consistently exceed customers' expectations in every interaction, whether in-product, digital, or human-centered. CE&S is responsible for all up services across the company, including consulting, customer success, and support across Microsoft's portfolio of solutions and products. Join CE&S and help us accelerate AI transformation for our customers and the world.
Microsoft's Detection and Response Team (DART) is seeking a skilled and experienced Cybersecurity Lead Investigator to join the team. DART is the first port of call for many customers during a security incident. This pivotal, customer-facing role calls for a technically deep and agile investigator who can lead complex, high-impact incident response across on-premises and cloud environments and turn incomplete evidence into clear, defensible response decisions.
You will lead the investigation, establish technical priorities and act as the primary technical point of contact for customers, including executive stakeholders. Working with threat hunters, reverse engineers, infrastructure engineers and incident coordinators, you will bring together investigative findings, and direct response recommendations, balancing investigation with rapid recovery and containment. Incident coordinators support staffing, scheduling and operational escalation; the Lead Investigator owns investigation direction and technical judgement within the agreed engagement scope.
As part of a globally distributed, mission-driven team, you will share research, mentor colleagues and help shape the future of Defender Experts Cybersecurity Incident Response. Microsoft's mission is to empower every person and every organization on the planet to achieve more. Employees are expected to demonstrate a growth mindset, innovation, collaboration, respect, integrity,